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Helicone / helicone
🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓
pydantic / logfire
AI observability platform for production LLM and agent systems.
Popularity
Repository stars6,271Highest4,537
Fork701Highest353
Maintenance
Last push2026-10-282026-11-06
Maintenance notesNot verifiedNot verified
Repository created2023-01-312024-04-23
License & use
LicenseApache-2.0 · PermissiveMIT · Permissive
PricingPricing not verifiedPricing not verified
Basics
Browse by purposeModel and data evaluationModel and data evaluation · Observability
TypeApps & systemsApps & systems
SubcategoryOperationsOperations
PlatformNot verifiedNot verified
First collected2026-11-032026-11-03
LanguageTypeScriptPython
License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited. Measured at 2026-11-06 UTC